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Oil-Shale Waste 'Non Hazardous,' EPA Says

WASHINGTON -- The Environmental Protection Agency issued an 11th-hour clarification on spent oil shale, declaring the byproduct of the development process not to be a hazardous waste.

The ruling could limit production costs if U.S. developers move ahead with oil shale development, but the next administration under President-elect Barack Obama is expected to put the brakes on commercial development.